%I A105416
%S A105416 1444,1446,1464,1466,1644,1646,1664,1666
%N A105416 Numbers that are pandigital in Roman numerals using each of the symbols 
               I, V, X, L, C, D and M exactly once.
%C A105416 Subset of A105417.
%e A105416 a(1) = 1444 because written in Roman numeral it is MCDXLIV, using each 
               of the symbols I, V, X, L, C, D and M exactly once.
%Y A105416 Sequence in context: A119422 A166609 A105417 this_sequence A031626 A031754 
               A031536
%Y A105416 Adjacent sequences: A105413 A105414 A105415 this_sequence A105417 A105418 
               A105419
%K A105416 fini,full,nonn
%O A105416 1,1
%A A105416 Robert Happelberg (roberthappelberg(AT)yahoo.com), Apr 06 2005